Lowest Dropout (LDO) PMOS Voltage Regulator The TPS7148QP is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments (TI). Here are its key specifications, descriptions, and features:
### **Specifications:**
- **Output Voltage:** Fixed 4.85V (other variants available in the series).
- **Output Current:** Up to 150mA.
- **Dropout Voltage:** 300mV typical at full load.
- **Input Voltage Range:** Up to 10V.
- **Line Regulation:** 0.02%/V typical.
- **Load Regulation:** 0.3% typical.
- **Quiescent Current:** 85µA typical.
- **Operating Temperature Range:** -40°C to +125°C.
- **Package:** 8-pin PowerPAD™ MSOP (DGN).
### **Descriptions:**
- The TPS7148QP is a low-dropout linear regulator designed for applications requiring stable voltage with low noise.
- It features high PSRR (Power Supply Rejection Ratio) for improved noise filtering.
- Includes thermal shutdown and current-limit protection.
### **Features:**
- **Low Dropout Voltage:** Ensures efficient regulation even with small input-output differentials.
- **Low Quiescent Current:** Ideal for battery-powered applications.
- **Thermal Shutdown Protection:** Prevents damage from overheating.
- **Current Limit Protection:** Safeguards against excessive load currents.
- **Stable with Low-ESR Capacitors:** Works with ceramic or tantalum capacitors.
- **High PSRR:** Reduces noise from input supply variations.
This information is based on TI's official datasheet for the TPS7148QP.
